Macromolecules 2010, 43, 1329–1340
1329
DOI: 10.1021/ma9023608
Primary Hydroxy-Terminated Polyisobutylene via End-Quenching with a Protected N-(ω-Hydroxyalkyl)pyrrole David L. Morgan and Robson F. Storey* School of Polymers and High Performance Materials, The University of Southern Mississippi, Hattiesburg, Mississippi 39406 Received October 23, 2009; Revised Manuscript Received December 17, 2009
ABSTRACT: N-(2-tert-Butoxyethyl)pyrrole was used to end-quench TiCl4-catalyzed quasiliving isobutylene polymerizations initiated from 2-chloro-2,2,4-trimethylpentane and 5-tert-butyl-1,3-di(2-chloro-2propyl)benzene at -60 °C in 60/40 (v/v) hexane/methyl chloride. End-capping was near-quantitative except for the formation of
